GLASS BLOCK FOR WINDOWS Russian patent published in 2001 - IPC

FIELD: construction engineering; glazing windows of industrial and residential buildings. SUBSTANCE: glass block has at least two sheets of window glass spaced apart and joined over perimeter through sealed joint made of high-temperature vacuum- dense material. Sealed joint width is found from equation 12h ≤ d ≤ 0,0003 Sh, where h is thickness of sealed joint, mm, d is width of sealed joint, mm, S is area of window glass mm², factor 0.0003 measures 1/mm². EFFECT: improved reliability of glass block. 2 dwg